*
  margin 0
  padding 0

*, * > *
  box-sizing border-box

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video
  margin 0
  padding 0
  // border 0
  // font-size 100%
  // font inherit
  // vertical-align baseline
  
ol, li, ul
  list-style none

body
  font-family "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif
  -webkit-tap-highlight-color transparent
  -webkit-font-smoothing antialiased
  -moz-osx-font-smoothing grayscale
